The CoolTech Graphite Pillow Protector incorporates graphite to amp up the cooling potential. Combined with breathable fabric, it actively wicks away moisture and dissipates body heat, making it more effective than many competitive products. This high-performance protector also protects you from 99.9% of dust and allergens, and protects your pillow from stains and spills. Made of polyethylene, graphite and polyester.